[Ticket: #678]

Resolve "Lecturer's questions are not color-coded in the student view"

Closes #701

See merge request arsnova/frag.jetzt!705

Resolve ""Delete questions" deletes room instead"

Closes #705

See merge request arsnova/frag.jetzt!704

Resolve "New filter and sorting presets"

Closes #702

See merge request arsnova/frag.jetzt!702

fix layout bug

Closes #698

See merge request arsnova/frag.jetzt!703

Resolve "Address the bonus mail to the creator with CC to all moderators"

Closes #704

See merge request arsnova/frag.jetzt!700

Resolve "Make messages of the moderation stand out"

Closes #703

See merge request arsnova/frag.jetzt!701

add i18n, set style

Closes #697

See merge request arsnova/frag.jetzt!699

Resolve "Implement DeepL to the keyword updates"

Closes #693

See merge request arsnova/frag.jetzt!698

fix filter bug, adjust style

Closes #696

See merge request arsnova/frag.jetzt!697

Resolve "Do not show a motd during an onboarding tour"

Closes #692

See merge request arsnova/frag.jetzt!695

Resolve "Correction of moderation in the comment list"

Closes #694

See merge request arsnova/frag.jetzt!696

Resolve "test matpaginator"

Closes #696

See merge request arsnova/frag.jetzt!694

increase expand trigger height

Closes #695

See merge request arsnova/frag.jetzt!693

fix expand button

Closes #602

See merge request arsnova/frag.jetzt!691